... constant impedance regulator 固定阻抗调整器 constant inclination 定倾 constant lead 固定导程 ...
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curve of constant inclination 定倾曲线
Constant inclination ruled surface 定斜直纹面
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However, the problem to be solved is how to keep constant the Angle of inclination obtained through the calculations of the mould lines in the construction process.
但怎样保证在作图过程中型线上计算所得的倾角大小不变，是一有待解决的问题。
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